In the air or on land, look stylish when you wear this men's Citizen Eco-Drive® Promaster Air chronograph watch. The watch features a green dial with silver-toned hands and markers, a trio of chronograph sub-dials and a date display at 4 o'clock. The 46mm stainless steel case is topped with sapphire crystal and the watch has a green ion-plated rotating bezel with calculator and tachymeter. Functions include atomic time clock synchronization, 1-second chronograph that measures up to 60 minutes and a perpetual calendar. The stainless steel link bracelet secures with a fold-over clasp and the watch is water-resistant to 200 meters. The Citizen Eco-Drive® technology is sustainably powered by light.